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Svetach [21]
3 years ago
9

If x = -6, which inequality is true?

Mathematics
1 answer:
igomit [66]3 years ago
8 0

Answer:

C. 1 - 2x > 13

Step-by-step explanation:

you just substitute

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If a data point has a corresponding z-score of -1.5, then it is one and a half standard deviations above the mean value. 1. True
TEA [102]

Answer: False.

Step-by-step explanation:

For any random variable x,

Formula to calculate the z-score : z=\dfrac{x-\mu}{\sigma}

, where \mu = Mean

\sigma = Standard deviation

Let x be the data point has a corresponding z-score of -1.5.

Then , we have

-1.5=\dfrac{x-\mu}{\sigma}

-1.5\sigma=x-\mu

\mu-1.5\sigma=x

i.e. x is one and a half standard deviations below the mean value.

( one and a half =1+\dfrac{1}{2}=1.5 )

Therefore , the given statement is false.

8 0
3 years ago
Plz help mee with thisss
timurjin [86]

Answer:

495

Step-by-step explanation:

60x10=600

600-105=495

3 0
3 years ago
Please Help!!!! Solve For L
Sonja [21]
<h3>Given :</h3>

  • \tt B = L - L a f

<h3>To Find :</h3>

  • L = ?

<h3>Solution :</h3>

\tt B = L - L a f

By taking L common from \tt (L - L a f), we get :

\tt : \implies B = L(1 - a f)

\tt : \implies \dfrac{B}{(1 - a f)} = L

\tt : \implies L = \dfrac{B}{1 - a f}

Hence, value of \tt L = \dfrac{B}{1 - a f}

4 0
3 years ago
Read 2 more answers
Solve the following initial-value problem, showing all work, including a clear general solution as well as the particular soluti
Vikki [24]

Answer:

General Solution is y=x^{3}+cx^{2} and the particular solution is  y=x^{3}-\frac{1}{2}x^{2}

Step-by-step explanation:

x\frac{\mathrm{dy} }{\mathrm{d} x}=x^{3}+3y\\\\Rearranging \\\\x\frac{\mathrm{dy} }{\mathrm{d} x}-3y=x^{3}\\\\\frac{\mathrm{d} y}{\mathrm{d} x}-\frac{3y}{x}=x^{2}

This is a linear diffrential equation of type

\frac{\mathrm{d} y}{\mathrm{d} x}+p(x)y=q(x)..................(i)

here p(x)=\frac{-2}{x}

q(x)=x^{2}

The solution of equation i is given by

y\times e^{\int p(x)dx}=\int  e^{\int p(x)dx}\times q(x)dx

we have e^{\int p(x)dx}=e^{\int \frac{-2}{x}dx}\\\\e^{\int \frac{-2}{x}dx}=e^{-2ln(x)}\\\\=e^{ln(x^{-2})}\\\\=\frac{1}{x^{2} } \\\\\because e^{ln(f(x))}=f(x)]\\\\Thus\\\\e^{\int p(x)dx}=\frac{1}{x^{2}}

Thus the solution becomes

\tfrac{y}{x^{2}}=\int \frac{1}{x^{2}}\times x^{2}dx\\\\\tfrac{y}{x^{2}}=\int 1dx\\\\\tfrac{y}{x^{2}}=x+cy=x^{3}+cx^{2

This is the general solution now to find the particular solution we put value of x=2 for which y=6

we have 6=8+4c

Thus solving for c we get c = -1/2

Thus particular solution becomes

y=x^{3}-\frac{1}{2}x^{2}

5 0
3 years ago
Triangle abc is similar to triangle FGH solve for p plebs.
12345 [234]

The value of <em>p </em>is 21

Step-by-step explanation:

ΔABC ~ ΔFGH

\frac{ab}{fg}  =  \frac{bc}{gh}  \\  \frac{35}{p}  =  \frac{10}{6}  \\ p =  \frac{35 \times 6}{10}  \\ p =  \frac{210}{10}  \\ p = 21 \\  \\ or \\  \\  \frac{ab}{fg}  =  \frac{ac}{fh}  \\  \frac{35}{p}  =  \frac{30}{18}  \\ p =  \frac{35 \times 18}{30}  \\ p =  \frac{630}{30}  \\ p = 21

So, the value of <em>p</em> is 21

<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>

5 0
3 years ago
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